Cause: buildOutput.apkData must not be null

Question

My android application using Kotlin is throwing this exception when I try to Run \'app\' in the emulator o in my cellphone. When I build my project it runs well, with no err

Answer 1

This issue is happens usually when you are running multiple android studio window with different projects.

The solution is

• choose project than delete .gradle and build folders
• than clean and rebuild the project.

please ref screen shot attached